4.5.3 Using AUTOMATIC TUNE at start-up for Duplex (Heat/Cool)
Used when DUPLEX has been configured for AUTOMATIC. This is the preferred selection for most Heat/Cool applications when tuning a new chamber. This selection will sequentially perform both Heat and Cool tuning without further operator intervention.
Table
Control
Step | Operation |
| Press | Result | |
1 | Configure LSP1 |
|
|
| Until SP (Local Setpoint 1) shows |
| Lower |
| |||
|
|
| Display |
| in the lower display. |
|
|
|
|
| |
2 |
|
| or |
| Until LSP1 is a value within the |
|
|
|
|
| Heat Zone (output above 50%). |
3 | Configure LSP2 |
|
|
| Until 2SP (Local Setpoint 2) shows |
| Lower |
| |||
|
|
| Display |
| in the lower display. |
|
|
|
|
| |
4 |
|
| or |
| Until LSP2 is a value within the |
|
|
|
|
| Cool Zone (output below 50%). |
5 | Switch to |
|
|
| Until the “A” indicator is lighted (on |
| Man |
| |||
| “Automatic” Mode |
| Auto |
| controllers with Manual option). |
|
|
|
|
| |
6 | Show Tuning |
|
|
| Until “TUNE OFF” is shown on |
| Lower |
| |||
| Prompt |
| Display |
| lower display. |
|
|
|
|
| |
7 | Initiate Tuning |
|
|
| Select “DO SLOW” or “DO FAST” |
|
|
|
|
| in lower display. |
| Tuning in operation |
|
|
| Upper display will show a “T” as |
|
| Lower |
| ||
|
|
| Display |
| long as ACCUTUNE process is |
|
|
|
|
| operating. When process |
|
|
|
|
| completes, tuning parameters are |
|
|
|
|
| calculated and lower display will |
|
|
|
|
| show “NO TUNE” prompt. |
74 | UDC3200 Universal Digital Controller Operator Manual | 04/08 |